Peer victimization and non-suicidal self-injury among high school students: the mediating role of social anxiety, mobile phone addiction, and sex differences

Table 2 Regression analysis of the relationship of variables in the chain mediation model

Predictor variable	Outcome variable: social anxiety				Outcome variable: mobile phone addiction				Outcome variable: NSSI
Predictor variable	β	SE	p	95% CI	β	SE	p	95% CI	β	SE	p	95% CI
Grade	-0.487	0.0919	<0.001	[-0.667-0.307]	-0.378	0.117	0.001	[-0.607 -1.489]	-0.292	0.062	<0.001	[-0.415 -0.170]
Marital status of parents	0.361	0.178	0.043	[0.012 0.710]	1.069	0.226	<0.001	[0.626 1.513]	0.0687	0.120	0.569	[-0.168 0.305]
Stay behind or not	1.238	0.146	<0.001	[0.952 1.524]	1.409	0.186	<0.001	[1.045 1.774]	0.124	0.099	0.201	[-0.701 0.319]
Peer victimization	0.328	0.157	<0.001	[0.297 0.359]	0.723	0.020	<0.001	[0.683 0.763]	0.363	0.113	<0.001	[0.341 0.385]
Social anxiety					0.551	0.107	<0.001	[0.530 0.572]	0.395	0.006	<0.001	[0.0273 0.052]
Mobile phone addiction									0.062	0.005	<0.001	[0.053 0.071]
Joint interpretative power	R² = 0.040***				R² = 0.263***				R² = 0.131***
Significance of the model	F = 144.222***				F = 998.894***				F = 351.515***

ISSN: 1471-244X